Question Detail

CHM 101 CHM 101 Past Questions Objective Question
Take CBT

Question

The formula for percentage composition is:
Options
A (mass of compound / mass of element) × 100
B (mass of element / molar mass of compound) × 100
Correct Answer
C (number of atoms / number of molecules) × 100
D None of the above
Correct Answer

Option B is the correct answer.

Detailed Explanation

The percentage composition of an element in a compound is calculated by dividing the total mass of that element in one mole of the compound by the molar mass of the compound, then multiplying by 100%.

Hint

It's a ratio of the element's contribution to the total mass.

Question Info

Course: CHM 101
Topic: CHM 101 Past Questions
Type: Objective
Difficulty: Not specified
Question 351 of 1872
Previous Course Details Next